Scrolls from Herculaneum have been read for a very long time. Not disputing the achievement of digitally unrolling one, but the scrolls from the library of have been studied since the 18th century.
*Some scrolls.
They are in a variety of conditions - some of them people were able to "break" open and read. But the vast majority of what remains is too delicate and brittle to risk.
Sure, but its the potential scale that is important. There are also more scrolls still in the ground, which would make sense to dig out if they could be read.
I think it's a case of HN once again butchering the title. I submitted it as the exact title from our page on scrollprize.org, "An _Entire_ Herculaneum Scroll Has Been Read For The First Time", which is IIRC true.